Event: D&DCL Div 4

PDF Excel

Opponent	Rating	Result
Joe Willgoose	2048	1 - 0
Benedict Smithson	0	0 - 1
Gilberto Templo	53	½ - ½
Jon Jenson	106	0 - 1
Alan Mansbridge	0	1 - 0
Barry W Lings	99	½ - ½
Benedict Smithson	0	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

387 = (2306 + 400 * (3 - 2)) / 7)